You can do an ATM/bank transfer of $10 to either one of these bank accounts, their numbers are:
1. POSB savings: 120-76060-2
2. OCBC savings: 558-4-001647
Note: The current discounted price is $10 will be raised back up to the original price of $14 once the promotion period is over.
Then scan/screenshot/take a photo of the transaction and email it to firstname.lastname@example.org!
The guide will be sent to you as soon as possible once the payment has been confirmed.